Huawei Watch 2 vs. Asus ZenWatch vs. Garmin 645 Music vs. Fitbit Alta HR vs. Amazfit T-Rex

 
Watch 2
ZenWatch
645 Music
Alta HR
T-Rex
 HuaweiWatch 2Remove Buy NowAsusZenWatchRemove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$350$150$450$150$140
Release20172014201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hoursNA7 days7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 480320 x 320240 x 240128 x 36360 x 360
Size1.38 inches1.63 inches1.2 inches1.4 inches1.3 inches
Touch
TypeP-OLEDAMOLEDMIPOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68IP555 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemAndroid Wear 2Android WearBuild-in
Apps
Music

All Wearables